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(I'm new to Ubuntu, excuse any ignorance.) I'm trying to run SpaceInvaders in Python using OpenAI's Atari module, however I keep getting the error

File "/usr/local/lib/python2.7/dist-packages/gym/envs/atari/atari_env.py", line 11, in raise error.DependencyNotInstalled("{}. (HINT: you can install Atari dependencies by running 'pip install gym[atari]'.)".format(e))gym.error.DependencyNotInstalled: No module named atari_py. (HINT: you can install Atari dependencies by running 'pip install gym[atari]'.)

The command suggested in the error is exactly what I used to install gym. I've read in another forum that this means not all the dependencies are loaded, so I've taken great care to download this dependencies listed here. Here's some proof that they're properly installed: 

$ dpkg -s python-numpy python-dev cmake zlib1g-dev libjpeg-dev xvfb libav-tools xorg-dev python-opengl libboost-all-dev libsdl2-dev swig | grep  Status
Status: install ok installed
Status: install ok installed
Status: install ok installed
Status: install ok installed
Status: install ok installed
Status: install ok installed
Status: install ok installed
Status: install ok installed
Status: install ok installed
Status: install ok installed
Status: install ok installed
Status: install ok installed

Is there anything else I should be aware of, or another way I can be troubleshooting this issue?

Community
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revvy
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1 Answers1

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I have meet same problem. I have solve this problem with fellowing step. 

➜  OpenAIGym cd gym
➜  gym git:(master) pip install -e '.[all]'

or

pip install -e '.[all]'

because pip install -e . only is minimal install.

OS: maxOS
env: Python3.6

Thanks

Yunfan Lu
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